Weather is probably a major factor when you plan your trip to Frisco, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August, with an average temperature of 12°C, while the coldest months are December and January, with an average of -8°C. The snowiest months in Frisco are January, February, March and April, with each month seeing an average of 67 cm of snowfall.